RANDOM ORBIT ACTION - Designed for today's needs. The Super Sander III offers the same ultra-fine finishing as the 4500 in a light-weight-low profile vacuum extraction confiuration. Composite motor housing and shroud reduce weight and insulate the operator from vibration. Ultra smooth motor with positive action drive and unique 4 bearing support insures full contact sanding. Oversized drive head eliminates pad wobble.      6" PSA Pad Standard